Finding the Fourth Proportional to 4,178,685.15, 5,767,781.22 and 2,460,802.08
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Solution
The fourth proportional to 4,178,685.15, 5,767,781.22 and 2,460,802.08 is: 3,396,611.02
Step by Step Solution
- Step 1: Write the proportion equation
4,178,685.15 : 5,767,781.22 = 2,460,802.08 : x - Step 2: Convert to fraction form
4,178,685.15/5,767,781.22 = 2,460,802.08/x - Step 3: Cross multiply
4,178,685.15x = 5,767,781.22 × 2,460,802.08 - Step 4: Simplify right side
4,178,685.15x = 14,193,368,023,160.94 - Step 5: Solve for x
x = 14,193,368,023,160.94/4,178,685.15 - Step 6: Final answer
x = 3,396,611.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.